They ______ on the program for almost one week before I joined them, and now we   
_______ on it as no good results have come out so far.

A. had been working; are still working  
B. had worked; were still working
C. have been working; have worked    
D. have worked; are still working
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科目：高中英語 來源： 題型：

They ______ on the program for almost one week before I joined them, and now  we ______ on it as no good results have come out so far.     

A．had been working; are still working  B．had worked; were still working 

C．have worked; were still working      D．have worked; are still working

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科目：高中英語 來源： 題型：

They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.

A. had been working; are still working    B. had worked; were still working

C. have been working; have worked      D. have worked; are still working

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科目：高中英語 來源： 題型：

They _______ on the program for almost one week before I joined them, and now we on it as no good results have come out so far.

A. had been working; are still working

B. had worked; were still working?

C. have been working; have worked

D. have worked; are still working?

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科目：高中英語 來源： 題型：

They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.

A. had been working; are still working    B. had worked; were still working

C. have been working; have worked       D. have worked; are still working

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科目：高中英語 來源： 題型：

They______on the program for almost one week before I joined them,and now we ______it as no good results have come out so far.

A.had been working;are still working

B.had worked;were still working

C.have been working;have worked

D.have worked;are still working

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科目：高中英語 來源： 題型：

They ______ on the program for almost one week before I joined them, and now  we _____ on it as no good results have come out so far.

A．had been working; are still working     B．had worked; were still working    

C．have worked; were still working           D．have worked; are still working

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科目：高中英語 來源： 題型：

They _______ on the program for almost one week before I joined them,and now we _______ it as no good results have come out so far.?

A. had been working; are still working?

B. had worked; were still working?

C. have been working; have worked?

D. have worked; are still working?

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科目：高中英語 來源： 題型：

They _____ on the program for almost one week before I joined them, and now we _____ it as no good results have come out so far.

A. had been working; are still working      B. had worked; were still working

C. have been working; have worked        D. have worked; are still working

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科目：高中英語 來源： 題型：

They _______ on the program for almost one week before I joined them, and now we on it as no good results have come out so far.

A. had been working; are still working

B. had worked; were still working?

C. have been working; have worked

D. have worked; are still working?

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科目：高中英語 來源： 題型：

They ________ on the program for almost one week before I joined them, and now we ______ it as no good results have come out so far.

       A．had been working; are still working       B．had worked; were still working

       C．have been working; have worked          D．have worked; are still working

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